Improper resource allocation In ruby2.7
Description
REXML DoS vulnerability
Impact
The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, >] and ]>.
If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities.
Patches
The REXML gem 3.3.3 or later include the patches to fix these vulnerabilities.
Workarounds
Don't parse untrusted XMLs.
References
https://github.com/ruby/rexml/security/advisories/GHSA-vg3r-rm7w-2xgh : This is a similar vulnerability
https://github.com/ruby/rexml/security/advisories/GHSA-4xqq-m2hx-25v8 : This is a similar vulnerability
https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41123/: An announce on www.ruby-lang.org
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
 debian 11 | 2.7.4-1+deb11u3 | ||
debian 12 | - | ||
 alpine v3.22 | 3.3.9-r0 | ||
debian 14 | 3.3.5-1 | ||
alpine v3.21 | 3.3.9-r0 | ||
debian 13 | 3.3.5-1 | ||
alpine v3.19 | 3.3.9-r0 | ||
alpine v3.20 | 3.3.9-r0 | ||
 rubygems | 3.3.3 | ||
alpine v3.23 | 3.3.9-r0 |
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Aliases
References